Finding the Fourth Proportional to 155,191.18, 232,791.17 and 42,871.42

Step by Step Solution

1. Step 1: Write the proportion equation
   155,191.18 : 232,791.17 = 42,871.42 : x
2. Step 2: Convert to fraction form
   155,191.18/232,791.17 = 42,871.42/x
3. Step 3: Cross multiply
   155,191.18x = 232,791.17 × 42,871.42
4. Step 4: Simplify right side
   155,191.18x = 9,980,087,443.27
5. Step 5: Solve for x
   x = 9,980,087,443.27/155,191.18
6. Step 6: Final answer
   x = 64,308.34